Riding toy



FIG. 1 is a top plan view of a riding toy embodying my new design;

FIG. 2 is an elevational view thereof, the side opposite being substantially a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a riding toy, as shown and described. 